Johnny, you      play with the knife; you     hurt yourself.

_______ we go to the McDonald’s?  I am sick of the food there!

— Must we get to the airport before 8 o’clock?— No, you _____. The plane takes off at 12 o’clock.

The boy        be very naughty, but he is very lovely.

 This blue car ____________ be Bob’s bcause his car is black.